Injection systems and parts
More informationAt Global Parts, we offer a wide selection of original used car parts, including injection systems and parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each injection system and part we offer undergoes quality control to ensure you receive a top-quality product.
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Part no. 059130277AH
Audi Q7 4L A6 C6 A8 D3 3.0 TDI Diesel Fuel Injector Injection Unit 059130277AH
Promo price
£37.95
£32.26
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 059130216J
Injector Holder Audi Q7 4L A7 4G8 A6 C7 Diesel 3.0 TDI Injector Bracket 059130216J
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
Part no. 1K0919050AB
Audi A3 8P 2.0 TDI Diesel Control Fuel Pump Tank Sender Pump Unit 1K0919050AB
£13.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06L127025R
Audi S1 8X S3 8V VW Golf Mk7 2.0 TFSI High Pressure Fuel Pump 06L127025M
Promo price
£94.95
£80.71
Free delivery: Jul 30
If paid before 14:00
Part no. 03L130089Q
Audi A4 B8 Q5 8R 2.0 TDI Diesel Fuel Rail Injection Rail Line 03L130089Q
£66.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 057130277AG
Audi Q7 4.2 TDI Diesel Engine Fuel Injector Injection 057130277AG
Promo price
£70.95
£60.31
Free delivery: Jul 30
If paid before 14:00
Part no. 04L130277D
Audi A3 8V VW Golf Mk7 Fuel Injector Injection 1.6 TDI Diesel 04L130277D
£108.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 059130277ED
Audi A6 A7 4G 3.0 TDI Diesel Fuel Injector 059130277ED
Promo price
£94.95
£80.71
Free delivery: Jul 31 – Aug 7
If paid before 14:00
Part no. 04L130216
Audi A3 8V Fuel Injector Bracket Clamp Jaw Holder TDI Diesel Engine 04L130216
£13.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 04L130277BF
Audi A1 8X 1.6 TDI Diesel Fuel Injector 04L130277BF
Promo price
£137.95
£117.26
Free delivery: Jul 31 – Aug 7
If paid before 14:00
Part no. 04L130277AD
Audi A3 8V A1 8X Fuel Injector Injection Diesel Engine 04L130277AD
£37.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 06L906036K
Audi S1 8X A3 S3 8V 2.0 TFSI Petrol Engine Fuel Injector Unit 06L906036K
Promo price
£28.95
£17.37
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06L906036L
Audi A3 S3 8V 2.0 TFSI Fuel Injector Injection Nozzle Petrol 06L906036L
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 06M906036K
Audi A4 S4 B9 3.0 TFSI Petrol Fuel Injector 06M906036AM 06M906A01
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06F133317L
Audi TT 8J 2.0 TFSI BWA Fuel Injection Strip Rail Injectors 06F133317L
Promo price
£161.95
£137.66
Free delivery: Jul 30
If paid before 14:00
Part no. 06K133317G-1
Audi A1 S1 8X A3 S3 8V A5 S5 F5 Fuel Injection Rail 2.0 TFSI 06K133317G
£37.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06K133681C
Audi Q5 FY Petrol Fuel Injectors Injection Rail Line Pipe 06K133681C
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 059130216C
Audi A5 8T Fuel Injector Retaining Plate Bracket Mount Holder 059130216C
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£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 06E906036F
Audi A4 B8 3.2 FSI CALA Fuel Injector Injection Nozzle 06E906036F
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06H127025K
Audi A3 8P A5 8T VW Passat B6 High Pressure Fuel Pump 1.8 TFSI TSI 06H127025G
Promo price
£56.95
£48.41
Free delivery: Jul 30
If paid before 14:00
Part no. 06H906036H
Audi A3 8P Fuel Injector Injection Unit 1.8 TFSI Petrol 06H906036H
£18.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 7LA131113A
Audi A4 B9 2.0 TDI DTNB Adblue Injector Nozzle 7LA131113A
Promo price
£66.95
£40.17
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 06K133317G
Audi A1 S1 8X S3 8V VW Golf R 2.0 TFSI Fuel Injection Rail 06K133317G
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
Part no. 06L127027B
Audi S3 8V 2.0 CNTC Petrol Engine High Pressure Fuel Line Pump 06L127027B
£75.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 059130277ED-1
Audi A6 A7 4G 3.0 TDI Diesel Fuel Injector 059130277ED
Promo price
£132.95
£79.77
Free delivery: Jul 31 – Aug 7
If paid before 14:00
Part no. 059130277EJ-2
Audi Q7 4L 3.0 TDI Diesel Engine Fuel Injector Unit 0445117 059130277EJ
£189.95
Free delivery: Jul 30
If paid before 14:00
Part no. 05L131113H
Audi A4 B9 A5 F5 A6 C8 A7 C8 Adblue Injector 05L131113H
£61.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 059130277FE
Audi A6 C8 A7 4K Injector Nozzle Diesel Engine 3.0 TDI 059130277FE
Promo price
£142.95
£121.51
Free delivery: Jul 30
If paid before 14:00
Part no. 06E127026D
Audi S4 B8 S5 8T A6 C7 High Pressure Injection Fuel Pump 3.0 TFSI 06E127026D
£51.95
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 059130216K-1
Audi A4 B9 A7 4G8 Fuel Rail Tensioning Plate Bracket Mount Holder 059130216K
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 06K133317AB
Audi A3 8V VW Golf Mk7 VII Petrol Fuel Injectors Injection Rail Line 06K133317AB
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06K906036N
Audi A3 8V VW Golf Mk7 VII Fuel Injector Nozzle Set 2.0 TFSI 06K906036N
Promo price
£237.95
£202.26
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-15%
Part no. 06H906036G
Audi TT 8J Fuel Injector Petrol Engine Fuel Injection Nozzle 06H906036G
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 059130089AB
Audi Q7 4L Fuel Injection Rail Line Pipe Diesel 3.0 TDI 059130089AB
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 03L201360AF
Audi A4 B8 A5 2.0 TDI Diesel Fuel Lines Feed Twin Pipes 03L201360AF
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
Part no. 04L089G
Audi Q3 8U 2.0 TDI DFUA Diesel Fuel Injection Rail High Pressure Rail 04L089G
£47.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 059130089CS
Audi Q7 A7 4G8 3.0 TDI Diesel Fuel Rail Injection Rail Left N/S 059130089CS
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
Part no. 06E130090F
Audi A4 B8 A6 C7 Petrol Fuel Rail Right Side O/S 06E130090F
£18.95
Free delivery: Jul 30
If paid before 14:00
Part no. 06K133986K
Audi TT FV Fuel Injector Feeding Line Petrol 06K133986K
£13.95
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06L906036AB
Audi S3 8V 2.0 TFSI Petrol Fuel Injector Injection Nozzle 06L906036AB
Promo price
£37.95
£32.26
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06E130089D
Audi A4 B8 3.2 FSI V6 Petrol Fuel Injection Rail Left N/S 06E130089D
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
-15%
Part no. 06K133317AA
Audi Q5 FY Petrol Fuel Injectors Injection Rail Line Pipe 06K133317AA
Promo price
£18.95
£16.11
Free delivery: Jul 30
If paid before 14:00
Part no. 079133681G
Audi S4 B6 4.2 V6 Quattro Fuel Injectors Injection Rail Line Pipe 079133681G
£85.95
Free delivery: Jul 30
If paid before 14:00
Part no. 059131113H
Audi Q7 4M AdBlue Injector Reduction Agent Valve 3.0 TDI Diesel 059131113H
£94.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 06K133317G-2
Audi A1 S1 8X A3 S3 8V A5 S5 F5 Fuel Injection Rail 2.0 TFSI 06K133317G
Promo price
£28.95
£17.37
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 06E906036P
Audi S4 B8 S5 8T A6 C7 3.0 TFSI Fuel Injector Injection Nozzle 306E036P
Promo price
£28.95
£17.37
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 06Q906036A
Audi S3 8Y Fuel Injector Injection Unit Nozzle 2.0 TFSI Petrol 06Q906036A
Promo price
£47.95
£28.77
Free delivery: Jul 30
If paid before 14:00
Part no. 06A133317AS-1
Audi A3 8P VW Golf Mk5 Fuel Injector Rail Ramp 1.6 MPI BSE Petrol 06A133317AS
£123.95
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-40%
Part no. 06Q133317B
Audi A3 S3 8Y 2.0 TFSI Petrol Engine Fuel Injection Rail 06N133317A
Promo price
£61.95
£37.17
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 07L133315A
Audi S8 D3 Petrol Fuel Injector Tube Rail Pipe Left N/S 07L133315A
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 06K133317G-3
Audi S1 8X S3 8V A4 B8 A5 8T VW Golf Mk7 Fuel Injection Rail 2.0 TFSI 06K133317G
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
Part no. 04L130277N
Audi A4 B9 A5 F5 Q5 FY Fuel Injector Nozzle 2.0 TDI Diesel Bosch 04L130277N
£32.95
Free delivery: Jul 30
If paid before 14:00
Part no. 06M133315L
Audi S4 B9 Q5 FY 3.0 TFSI Fuel Injectors Left N/S Injection Rail 06M133315L
£18.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 07L133315A-1
Audi S8 D3 Petrol Fuel Injector Tube Rail Pipe Left N/S 5.2 Petrol 07L133315A
Promo price
£94.95
£56.97
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-40%
Part no. 07L133316A-1
Audi S8 D3 Petrol Fuel Injector Tube Rail Pipe Right O/S 5.2 Petrol 07L133316A
Promo price
£94.95
£56.97
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-40%
Part no. 06J133317AB-1
Audi A4 B8 Q3 8U Fuel Injection Rail Fuel Injectors 2.0 TFSI Petrol 06J133317AB
Promo price
£113.95
£68.37
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 059130089ED
Audi A4 B9 Q7 4M Fuel Injection Rail Line Pipe Left N/S 3.0 TDI 059130089ED
Promo price
£94.95
£56.97
Free delivery: Jul 31 – Aug 7
If paid before 14:00
Part no. 03L130089P-1
Audi A3 8P VW Jetta Mk6 Fuel Injector Rail Line Distributor 2.0 TDI 03L130089P
£28.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 07L127509Q
Audi S8 D3 5.2 FSI V10 Quattro Fuel Injection Pipe Line Centre 07L127509Q
Promo price
£23.95
£14.37
Free delivery: Jul 30
If paid before 14:00
Part no. 07K133551B
Audi RS3 8V RSQ3 F3 TTRS FV Fuel Injector Nozzle Jet 2.5 TFSI 07K133551B
£51.95
Free delivery: Jul 30
If paid before 14:00
Part no. 06E127025G
Audi A4 B7 High Pressure Fuel Pump 3.2 FSI AUK BKH 06E127025G
£94.95
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-5%
Part no. 06J905110N
Audi A3 S3 8V 2.0 TFSI DNUE Fuel Injector Ignition Coil 06J905110N
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 022906031J
Audi A3 8P 3.2 FSI V6 Petrol Fuel Injector Injection Unit 022906031J
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 05L130277J
Audi A4 B9 A5 F5 Fuel Injector Injection Nozzle 2.0 TDI Diesel 05L130277J
Promo price
£94.95
£56.97
Free delivery: Jul 31 – Aug 7
If paid before 14:00
Part no. 06L906031A
Audi S1 8X A3 8V Petrol Fuel Injector Injection Nozzle 2.0 TFSI 06L906031A
£18.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 022906031J-1
Audi A3 8P 3.2 FSI V6 Petrol Fuel Injector Injection Unit Set 022906031J
Promo price
£75.95
£45.57
Free delivery: Jul 30
If paid before 14:00
Part no. 06E133681L
Audi S4 B8 S5 8T 3.0 TFSI CRE Fuel Injection Rail Injectors Left N/S 06E133681L
£47.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 4H0131113A
Audi A6 C7 A7 4G A8 D4 SCR AdBlue Injector 3.0 TDI Diesel Engine 4H0131113A
Promo price
£94.95
£56.97
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-40%
Part no. 06L127027C-1
Fuel Pump VW Golf Mk7 Audi A3 S3 8V 2.0 TFSI Petrol High Pressure 06L127027C
Promo price
£66.95
£40.17
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 4G0131113
Audi Q5 8R 2.0 TDI CGLC Diesel Ad Injector Reduction Agent Valve 4G0131113
Promo price
£56.95
£34.17
Free delivery: Jul 30
If paid before 14:00
-5%
Part no. 03L130380B
Audi A4 B8 A6 S6 Fuel Injector Protective Cover Muffler 2.0 TDI CGLC 03L130380B
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 03L130755A
Audi A4 B8 2.0 TDI CAGA Diesel High Pressure Fuel Pump 03L130755A
Promo price
£132.95
£79.77
Free delivery: Jul 31 – Aug 7
If paid before 14:00
Part no. 05L130277D
Audi A4 B9 Fuel Injector Injection Nozzle 2.0 TDI DTNB Diesel 05L130277D
£113.95
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-40%
Part no. 079906036C
Audi A5 S5 8T 4.2 V8 FSI CAUA Fuel Injection Nozzle 079906036C
Promo price
£47.95
£28.77
Free delivery: Jul 30
If paid before 14:00
Part no. 06G906036B
Audi A3 8V A4 B9 A5 F5 Fuel Injector Injection Unit 2.0 TFSI Petrol 06G906036B
£23.95
Free delivery: Jul 30
If paid before 14:00
Part no. 04E906036E
Fuel Injector Petrol 1.4 TSI Audi Seat Skoda Volkswagen 04E906036E
£13.95
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 079133316R
Audi S5 8T Fuel Injection Rail Line Right O/S 4.2 Petrol CAUA 079133316R
Promo price
£313.95
£188.37
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-15%
Part no. 079133315S
Audi S5 8T 4.2 FSI Fuel Injection Rail Line Injectors Pipe Left N/S 079133315S
Promo price
£332.95
£283.01
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-40%
Part no. 06A133681E
Audi TT 8N 1.8T BAM Petrol Fuel Injectors Injection Rail Line Pipe 06A133681E
Promo price
£113.95
£68.37
Free delivery: Jul 31 – Aug 7
If paid before 14:00
-5%
Part no. 06J905110K
Audi S3 8V 2.0 TFSI CHHA Fuel Injector Ignition Coil 06J905110K
Promo price
£13.95
£13.25
Free delivery: Jul 30
If paid before 14:00
-40%
Part no. 05L201360C
Audi Q2 GA 35 TDI Fuel Return Line Leak Off Rail Pipe Line Hose 05L201360C
Promo price
£28.95
£17.37
Free delivery: Jul 30
If paid before 14:00
Part no. 03L130277J
Audi A3 8P A4 B8 2.0 TDI Fuel Injector Fuel Injection Nozzle 03L130277J
Product currently unavailable
Part no. 03L130277
Audi A4 B8 A5 8T Q5 8R 2.0 TDI Diesel Fuel Injector 03L130277
Product currently unavailable
Part no. 03C906036M
Audi A1 8X 1.4 TSI CAXA Petrol Fuel Injector 03C906036M
Product currently unavailable
Part no. 059130277BE
Audi A5 8T 3.0 TDI Diesel Fuel Injector Nozzle Jet 059130277BE
Product currently unavailable
Part no. 04L130277AC
Volkswagen Seat Skoda Audi A3 8V 2.0 TDI Diesel Fuel Injector 04L130277AC
Product currently unavailable
Part no. 04L130277AE
Audi A5 8T Engine Fuel Injector Injection 04L130277AE
Product currently unavailable
-15%
Part no. 059130277CH
Audi A8 D4 3.0 TDI Diesel Fuel Injector Nozzle Jet 059130277CH
Product currently unavailable
Part no. 06F906036A
Audi A6 C6 Fuel Injector Injection Nozzle 2.0 TFSI BPJ Petrol 06F906036G
Product currently unavailable
Part no. 059130755CB
Audi Q7 4L VW Touareg 7L 3.0 TDI Diesel High Pressure Fuel Pump 059130755CB
Product currently unavailable
-40%
Part no. 05L130277E
Audi Q2 GA 2.0 TDI DTTC Diesel Fuel Injector Rail Line 05L130277E
Product currently unavailable
Part no. 04L130089G
Audi A5 8T Fuel Rail Injection Injector 04L130089G
Product currently unavailable
Part no. 059130277CC
Injector Audi A6 C7 A7 4G 3.0 TDI CDUC Quattro Fuel Injection Nozzle 059130277CC
Product currently unavailable
Part no. 03L130089P
Audi A3 8P 2.0 TDI Diesel Fuel Injector Rail Line Distributor 03L130089P
Product currently unavailable
Part no. 06F133317L-1
Audi TT 8J 2.0 TFSI Fuel Injection Strip Rail Line 06F133317L
Product currently unavailable
Part no. 059130277CD
Fuel Injector AUDI Q7 4L VW Touareg 2 3.0 TDI CRCA Diesel Nozzle 059130277CD
Product currently unavailable
Part no. 059130277CK-1
Audi SQ5 8R A7 4G 3.0 TDI CGQB Diesel Engine Injector Nozzle 059130277CK
Product currently unavailable
Part no. 06E906036C-1
Audi S8 D3 5.2 FSI V10 Quattro BSM Fuel Injector Injection Nozzle 06E906036C
Product currently unavailable
Part no. 4H0131113E
Audi A6 C7 A8 4H 3.0 TDI Diesel Engine SCR Adblue Injector 4H0131113E
Product currently unavailable
Used fuel injection system parts – injectors, pumps, rails, and fuel system elements
The main components of the injection system and their functions
The fuel injection system is the heart of a modern engine, responsible for the precise dosing of fuel into the combustion chamber. It is thanks to this system that your vehicle can achieve excellent results in terms of power, fuel economy, and exhaust emissions. In the Global Parts automotive store, you will find a wide selection of used car parts for fuel injection systems, perfectly matched to brands such as BMW, Audi, Volkswagen, Mercedes, or Mini. Our parts are a guarantee of quality and durability, which will allow your vehicle to perform at the highest level.
How does a fuel injection system work?
The fuel injection system is an advanced system that works with other engine components to ensure optimal combustion of the air-fuel mixture. Its key elements include:
- Other fuel injection system parts – additional components necessary for the proper functioning of the fuel system.
- Injector nozzles – responsible for the precise atomization of fuel in the combustion chamber, which affects combustion efficiency and vehicle performance.
- High-pressure fuel pumps – key elements of the injection system that deliver fuel at the appropriate pressure to the injectors. An efficiently operating fuel injection system means not only more power and economy but also a longer engine lifespan and lower emissions of harmful substances.
Construction and purpose of fuel injection systems
Fuel injection systems are a set of components responsible for drawing fuel, generating the appropriate pressure, and delivering it to the cylinders at the right moment. A typical set includes a fuel pump, lines, a fuel rail, a regulator, and injectors, and in many versions, also sensors that work with the engine control unit. This system is located between the fuel tank and the combustion chamber and must work with the intake equipment and control electronics. If you are looking for a subassembly such as an Audi A4 B8 injection pump, it is worth comparing the OEM number, pump drive type, engine version, and electrical connector type before installation.
Definition and types of fuel injection systems
Fuel injection systems can be divided into several types, depending on the technology used by the manufacturer. The most common are the Common Rail system, injection pump with a fuel rail, and direct injection (GDI). In Common Rail systems, fuel pressure can reach up to 2000 bar, which allows for very accurate dosing and reduces fuel consumption by up to 10–15%. These systems are installed in many modern models, including the BMW 3 Series (E90), Audi A4 B8, or Volkswagen Golf VI.
Differences between types of fuel injection system components
| Component type | Main function | What to check before purchase | Cooperating elements |
|---|---|---|---|
| Injector | Doses and atomizes fuel at the right moment | OEM number, injection code, connector type, engine version | Fuel rail, engine ECU, seals |
| High-pressure pump | Generates the pressure needed to supply the rail and injectors | OEM number, mounting method, drive gear, engine compatibility | Fuel lines, pressure regulator, rail |
| Fuel rail | Stores fuel under pressure and distributes it to the injectors | Port layout, pressure sensor, engine version | Injectors, pressure sensor, lines |
| Regulator or control valve | Stabilizes the operating parameters of the entire system | Control type, connector, compatibility with pump or rail | Pump, fuel rail, ECU |
Why is it worth taking care of the fuel injection system?
Regular maintenance and replacement of worn fuel injection system components are essential for achieving optimal engine performance and reliability. A neglected system can lead to:
- Uneven engine operation.
- Increased fuel consumption.
- Difficulty starting the vehicle.
- Higher exhaust emissions. At Global Parts, we offer original used car parts that undergo thorough quality checks, ensuring their full functionality.
Fuel dosing function and the importance of operating pressure
Fuel dosing serves to maintain the correct mixture proportions depending on the load, temperature, and engine speed. In practice, this means that even a small leak or pressure drop can worsen starting, smoothness of operation, and throttle response. In diagnostics, components from the Fuel filters and Lines, hoses, and pipes categories are often checked, as they affect the tightness and stability of the supply.
Table of symptoms and fuel injection system components
| Symptom | Possible cause | Component to check |
|---|---|---|
| Uneven engine operation | Injector leak | Fuel injector |
| Engine power loss | Worn high-pressure pump | Injection pump / pressure regulator |
| Difficulty starting | Contaminated fuel filter | Filter / fuel rail |
| Engine smoking | Incorrect injection pressure | Nozzles or control valves |
How to choose the right parts for fuel injection systems?
When choosing fuel injection system parts, such as injectors, injection pumps, or pressure regulators, it is worth paying attention to:
- Vehicle model compatibility – every car manufacturer and model has its own unique requirements. At Global Parts, you will find parts perfectly matched to BMW, Audi, Volkswagen, Mercedes, or Mini.
- Technical condition – check that the components are free from damage and ready for further use.
- Type of fuel injection system – for example, common rail systems require precise injectors that are adapted to high operating pressures.
Compatibility and fitment
When choosing fuel injection system parts, it is worth paying attention to OEM compatibility – every element, such as a high-pressure pump or fuel rail, has its equivalent in manufacturer catalogs. At Global Parts, you can select a part based on the VIN, which guarantees perfect fitment and simple installation. This avoids the risk of incorrect component selection, and the replacement is faster and cheaper. It is worth knowing that most pumps and injectors can be used interchangeably in various VAG group models.
Selection of cooperating equipment and installation check
The fuel rail is a collector element that distributes fuel to individual injectors and often works with a pressure sensor and a control valve. When selecting, you must check not only the part number itself but also the number of outlets, the position of the ports, the thread type, and the presence of equipment. When completing a repair for a specific model, e.g., BMW E90, it is good to also verify related Fuel pumps and level sensors and Air and fuel intake sensors.
Why choose used fuel injection system parts?
Used car parts are an excellent solution for those looking for savings without sacrificing quality. By choosing used injectors, pumps, or regulators, you gain:
- Lower costs – used components are cheaper than new ones but offer equally high quality.
- Ecology – you support recycling, reducing the amount of automotive waste.
- Wide selection – in our offer, you will find fuel injection system elements for the most popular car brands.
Technical data and performance of fuel injection systems
Injectors in modern diesel engines operate with a frequency of up to 5–7 injections per cylinder cycle, which allows for very smooth acceleration and lower fuel consumption. In turn, injection pumps can maintain operating pressure in the range of 1500–2500 bar. Such parameters guarantee the highest efficiency and long life of the entire system. When choosing an element like Audi A4 B8 injectors, it is important to compare the manufacturer's marking, performance class, correction code, and compatibility with the specific engine version.
How to take care of your vehicle's fuel injection system?
To ensure the fuel injection system works efficiently for a long time, it is worth remembering a few key rules:
- Regularly clean and maintain fuel injectors to avoid clogging.
- Use high-quality fuel and apply cleaning additives that improve system operation.
- Check and replace injection pumps and pressure regulators according to the manufacturer's recommendations. In case of failure or wear of components, at Global Parts you will find suitable used auto parts that will help restore your vehicle to full efficiency.
Benefits of regular service
Regular inspection of the fuel injection system not only increases engine life but also reduces fuel consumption by an average of 5–8%. Well-maintained injectors and pumps guarantee smooth operation of the power unit and less load on other subassemblies, such as the turbocharger or EGR valves. A practical supplement to knowledge about equipment and design changes in popular models is the article Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of fuel injection systems? | Fuel injection systems are sets of components responsible for transporting, compressing, and precisely dosing fuel into the engine. They usually consist of a pump, lines, a fuel rail, injectors, and pressure control elements. They are mounted between the fuel tank and the combustion chamber and work with the engine electronics. |
| What are fuel injection systems used for? | Fuel injection systems are used to deliver the appropriate dose of fuel at the right moment of engine operation. Their task is to maintain proper combustion, performance, and smoothness of the power unit. When they malfunction, problems with starting, power loss, and increased fuel consumption may occur. |
| What is the construction and function of a fuel rail? | A fuel rail is an element that distributes fuel to individual injectors at a set pressure. Depending on the design, it may work with a pressure sensor and a control valve. Its proper tightness and compatibility with the system affect the even supply of the cylinders and the stability of engine operation. |
| How to choose parts for fuel injection systems for a specific engine version? | It is best to compare the OEM number, engine code, connector type, and factory-installed equipment version. It is also worth checking whether the part is intended for the pre-facelift or facelift version and whether it fits the specific control type. For elements such as pumps and injectors, verification by VIN is also helpful. |
| What symptoms indicate a problem with the fuel injection system? | The most common are uneven engine operation, difficulty starting, power loss, and increased smoke. Symptoms can result from an injector leak, unstable fuel pressure, or dirt in the system. In diagnostics, it is also worth checking the fuel filter, lines, and cooperating sensors. |
| What should be paid attention to when installing used fuel injection system parts? | Before installation, compare catalog numbers, mounting points, ports, threads, and the type of electrical plug. In many cases, you also need to assess the condition of the seals and check whether the part works with the remaining fuel equipment. Proper selection limits the risk of leaks and speeds up the installation itself. |
Summary: fuel injection systems and parts at the Global Parts automotive store
Fuel injection systems are the foundation of the efficiency and reliability of every engine. By taking care of their proper operation, you ensure your vehicle has optimal performance, fuel economy, and a longer lifespan. In the Global Parts offer, you will find proven components for many car models, including BMW, Audi, Volkswagen, Mercedes, Mini, and others. Properly selected pumps, injectors, rails, and regulators help maintain correct engine supply parameters and simplify repairs in accordance with the OEM number and car version. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to our automotive blog.